Operated by GAS
| Direction | First bus (wkday) | Last bus | AM peak | AM off-peak | PM peak | PM off-peak |
|---|---|---|---|---|---|---|
| Tampines Int → Toa Payoh Int | 05:40 | 24:00 | 10–11 min | 10–13 min | 10–11 min | 11–15 min |
| Toa Payoh Int → Tampines Int | 05:55 | 24:00 | 11–13 min | 10–14 min | 11–15 min | 13–16 min |
First/last bus are at the origin stop, weekdays. Frequencies are LTA's scheduled ranges in minutes.